China Accuses NSA of Hacking National Timekeeping Agency

China says it has uncovered what it describes as irrefutable evidence of American government cyber attacks targeting the National Time Service Center. The Ministry of State Security said the National Security Agency exploited vulnerabilities in employees' mobile phones beginning March 25, 2022, and later used stolen login credentials to access the center's computers starting April 18, 2023.

The facility in Xi'an provides high-precision timekeeping service for the government, civil society, and various industries. It also supplies data used to calculate international standard time. Chinese authorities said investigators found that private servers worldwide were employed to conceal the attacks' origin. The accusations emerge against a backdrop of mutual cyber-espionage claims between Washington and Beijing. Western governments and companies have repeatedly blamed Chinese hackers for intrusions in recent years.

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